Mechanism for driving music-sheets of self-playing instruments.



No. 629,36l. Patented July 25, I899. F. W'. HEDGELAND.

MECHANISM FOR DRIVING MUSIC SHEETS 0F SELF PLAYING INSTRUMENTS.

(Application filed May 26, 1898.;

(No Model.) 2 SheatsSheeI'l.

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No. 629,36l. Patented July 25, I899. F. W. HEDGELAND. MECHANISM FOR DRIVING MUSIC SHEETS 0F SELF PLAYING INSTRUMENTS.

(Application filed May 26, 1898.)

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(No Model.)

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WITNESSESI ms jrromveyg UNITED STATES PATENT OFFICE.

FREDERICK IV. I-IEDGELAND, OF CHICAGO, ILLINOIS.

MECHANISM FOR DRIVING MUSlC-SHEETS OF SELF-PLAYING INSTRUMENTS.

SPECIFICATION forming part of Letters Patent No. 629,361, dated July 25, 1899.

Application filed May 26, 1898. Serial No. 681,807. (No model.)

To all wlwn'z, it 'l'I'bCl/Z/ concern/.-

Be it known that I, FREDERICK W. IIED LAND, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illinois, have invented a new and useful Improvement in Mechanism for Driving the Music-Sheets of Self-Playing Instruments, of which'the following is a specification.

This invention relates to the construction of friction mechanism for transmitting mo-' tion from the motor to the music-roll of self playing instruments.

The invention is an improvement upon the construction set forth in my application Serial No. 673,585, and its object is to simplify and improve some of the features of my said prior invention.

The nature of the invention will appear from the description which I give below.

In the accompanying drawings I show, at Figure 1, a plan of the invention; at Fig. an elevation thereof; at Fig. 3, a partial elevation at right angles to that given in Fig. 2, and at Fig. 4 a detailed section.

In said drawings, A represents the pulley attached to the motor of the instrument, or it may be a pulley receiving power in some suitable way from the motor. This pulley drives the belt 13, which passes first over the idler C, under the pulley D, over the idler E, under the main pulley F, and thence over the idler G back to the pulley A. I employ this system of belting in order to enable the invention to be used with motors positioned vertically, that position bein g verydesirable, because it allows all the power-pneumatics in that class of motors in which the pneumatics are arranged around the axis of the driven pulley to stand in the position in which they will all be affected alike by gravity. The pulley F is mounted upon the same shaft with the friction-cone II, and both are supported. by bearing-blocks I J from a movable base K. This base is preferablyin one piece with the arm K and is pivoted at A The cone, except while the rewinding is being done, is in contact with a friction-wheel L upon the shaft L, the base K being normally pressed so as to carry the cone against the wheel by a spring M. The shaft L may be permanently connected to the take-up roll 0, as it does not need to be detached therefrom during rewinding.

The hub of friction-wheel L is extended laterally upon one side, as shown at L and is movable along the shaft, being splined thereto, so that the shaft must rotate with it, and said laterally-extended end of the hub is provided with collars L between which the arm L attached to a rocking shaft or bar L enters. The bar L is intended to be rocked by the operator, and through it he shifts the friction-wheel to any point desired along the surface of the cone which will enable him to obtain the speed desired for the m usic-sheet.

The cone is moved away from the frictionwheel so as to destroy operative contact between the two whenever it is desired to rewind the music-sheet by means of the stop-rod N,which is joined to the base K. The operator retains the cone in this changed position during the rewinding operation, as otherwise the spring M would act to carry it back against the frictionwheel. hen the operator thus moves the cone away from the friction-wheel, he also establishes an operative relation between the shaft D, carrying the pulley D, and the music-roll, (shown at P.) This is done by moving said shaft longitudinally, so as to cause a clutching engagement between it and the sleeve I mounted upon the journal P, which enters and supports the music'roll, the end of the sleeve which receives the shaft being slotted, as at P", and said shaft D being provided with one or more wings or projections D adapted to enter said slots. Inside of the sleeve 1 is a loose disk I and a spring P confined between the journal I and said disk. This spring P is compressed when the clutching relation is established, and at other times is expanded so as to keep the disk P against its seat. It tends to facilitate and render certain the disengagement of the parts of the clutch when the rewinding is complete. The shaft D is driven in the opposite direction from shaft L and is supported at one end in the sleeve P and at the other end by a stationary standard D". A base-block D is pivotally united to the arm K at D so that it moves with the arm K when the operator shifts the cone away from the friction-wheel. The shaft D moves with the base-block by reason of the springs D and D which project upwardly from the block, one standing opposite the end of the shaft and the other in position where it will bear against the side of the pulleyD, as plainlyillustrated. The movement received from the arm K carries the baseblock and shaft D in the direction which will establish the clutching connection between the shaft and the sleeve 1 and when the arm K moves back to its normal posit-ion the spring D tends to release the clutching engagement. From the description thus given it will be seen that the music-roll is free to turn in unsion with the take-up roll while the instrument is playing and that the shifting of the cone so as to destroy its contact with the friction-wheel not only results in a temporary cessation of such contact, but also causes the closing of the clutch and the operation of the music-roll in the rewinding. The idler E is mounted on the end of a swinging arm E, the free end of which is impelled upward by a spring E so as to keep the belt constantly and uniformlytight. The upright E supports said arm and also a crossbar E upon which the idlers O and G may be mounted. A portion of the tracker-range is shown at O. The rewinding is thus accomplished without either a cessation of movement by the motor or anychangein the direction of its rotation.

I claim 1. The combination with the motor and rolls carrying the music-sheet, of a frictionwheel for driving the take-up roll, a frictioncone belted to the motor and normally in contact with said wheel, and also movable from its normal position to destroy such contact, and a pulleyactuated by the belt connecting the motor and cone and having a clutching connection with the music-roll, substantially as specified.

2. The combination with the motor and rolls carrying the music-sheet, of a frictionwheel for driving the take-up roll, a frictioncone belted to the motor and normally in contact with said wheel, and also movable from its normal position to destroy such contact, and a pulleyactuated by the belt connecting the motor and cone and provided with means acting to carry it into clutching engagement with the music-roll, substantially as specified.

3. The combination with the motor and rolls carrying the music-sheet, of a frictionwheel for driving the take-up roll, a frictioncone belted to the motor and normally in contact with said wheel, and also movable from its normal position to destroy such contact, and a pulley actuated by the belt connecting the motor and cone and provided with means connected to the cone-support and movable therewith, and acting to establish operative engagement between the pulley and the music-roll, substantially as specified.

4:. The combination with the motor and rolls controlling the music-sheet, of variable speed friction mechanism consisting of separable members transmitting power to the take-up roll, and a pulley D actuated by the belt carrying power from the inotorto the frietion mechanism, and adapted to beclntchcd to the music-roll, substantially as specified.

5. The COllllJlllZlllOll with the motor and rolls controlling the music-sheet, of variablespeed friction mechanism consisting of: separable members transmitting power to the take-up roll, and a pulley D continuously driven in one direction, and. idly rotating while the friction members are in contact, but movable to establish a clutching connection with the 111 usic-roll when the friction members are separated, substantially as specified.

6. The combination with the motor, the rolls controlling the music-sheet, and the variable-speedproducing friction mechanism for driving the take-up roll, said friction mechanism embracing separable members, of apulley continuously driven at a uniform speed directly from the motor in one direction, and movable in position to establish a clutching connection with the music-roll, and means whereby the operator may simultaneously separate the members of the friction mech anism and shift said pulley, substantially as specified.

7. The combination with the motor, and the rolls controlling the music-sheet, of the triotion cone and wheel and pulley D, the former belted to the motor by a belt also actuating a pulley D, said friction cone and wheel beingseparable, and said pulley being movable into clutching engagement with the musicroll, substantially as specified.

8. The combination with the motor, and the rolls controlling the music-sheet, of the frietion cone and wheel and pulley D, the cone and the pulley being both driven directly from the motor, said cone and wheel being separable and said pulley being movable into clutching engagement with the ln usic-roll, and means operable at will for separating the cone and wheel and shifting the pulley, substantially as specified.

9. The combination with the motor and music-rolls, ofa variable-speed friction mechanism, comprising separable friction members for driving one of the rolls, a clutchingpulley for driving the other roll, an idler .lC interposed between said mechanism and said pulley, and a single belt actuating both the friction mechanism and said pulley, and passing over said idler, snbstantiallyas specified.

10. The. combination with the motor and music-rolls, ot'a variable-speed friction mechanism, comprising separable friction members for driving one of the rolls, a clutchingpulley for driving the other roll, an idler E interposed between said mechanism and said pulley, and a single belt actuating both the friction mechanism and said pulley, and pass ing over said idler, said idler also acting as a talce-up, substantially as specified.

FREDERICK W. I-IEDGELAND.

Witnesses:

L. E. CURTIS, II. M. :llUNDAY.

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